#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
#include <array>

using namespace std;

typedef long long ll;
typedef long double ld;

const int N = 100 + 5;
const int OO = 1e9 + 5;

ll c, e, m;

void output(ll a, ll b) {
    if (a < b) {
        swap(a, b);
    }
    cout << a << ' ' << b << '\n';
    exit(0);
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> c >> e >> m;
    if (e & 1 || c != 4) {
        return cout << "impossible\n", 0;
    }
    ll x = e / 2 + 4;
    ll y = c + e + m;
    for (ll i = 2; i * i <= y; ++i) {
        if (y % i) {
            continue;
        }
        if (x - i ==  y / i) {
            output(i, x - i);
        }
    }
    cout << "impossible\n";
    return 0;
}